2600hz/kazoo — pull request #5 by remac (2013-02-21 20:18:46+00:00)
Title: SMTP authentication support

It will default to no-auth.
To add SMTP authentication you need to modify smtp_client in system_config to:
"relay": "your_smtp_server",
"username": "username",
"password": "password",
"port": "25",
"auth": "always"